Question I can't turn on my desktop unless I switch off and on the PSU

Oct 11, 2022
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Hello All,
Hoping you all have nice day while reading this thread.
Issue description:
My desktop PC can not be turned on before I switch off and on again. This kind of issue does not happen definitely but occassionaly, perhaps once a week or less.
PC details:
  1. SAMSUNG SSD 1TB, 870 EVO
  2. SAMSUNG SSD 2TB, 980 PRO
  3. WDC WDS240G2G0A-00JH30 240G
  4. TOSHIBA HDWD110 1TB
  5. AMD RADEON RX 6750XT
  6. SAMSUNG MONITOR 2K 144Hz 31.5 1000R, G55T
  7. ASUS ROG CROSSHAIR VIII DARK HERO, C8DH with WiFi
  8. AMD RYZEN 7 5800X3D
  9. TEAMGROUP XTREAM ARGB DDR4 3600, C14 16G*2
  10. COOLER MASTER MT624
  11. USCORSAIR RM850x
 
Oct 11, 2022
8
1
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Welcome to the forums, newcomer!

Try and relocate your PC to another wall outlet and see if the issue persists. What BIOS version are you currently on for your motherboard?
Thank you. Two days ago I have changed my outlet accordingly but still encounter this problem today. I have reached out the mother board customer support and they ask me try to restore the bios setting or clear the CMOS.
My mother board version is ver.4201 which should the latest one.

Also, if I only disconnect the outlet but not switch off the PSU, my PC still won't power up. Meaning the only way to power up is to switch off and on the PSU.
 
Oct 11, 2022
8
1
15
0
Thank you. Two days ago I have changed my outlet accordingly but still encounter this problem today. I have reached out the mother board customer support and they ask me try to restore the bios setting or clear the CMOS.
My mother board version is ver.4201 which should the latest one.

Also, if I only disconnect the outlet but not switch off the PSU, my PC still won't power up. Meaning the only way to power up is to switch off and on the PSU.
Still facing the same issues even I clear the CMOS.
 
Oct 11, 2022
8
1
15
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Hello All,

I lately read some articles about the DisplayPort cable 20 pin issues. Would it be the issues of mine and how can I checked if my DisplayPort cable 20 pin is connected.
 
Oct 11, 2022
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Hello Guys, it's been weeks since my last post.

After my third try to change a new DP cable, my issue hasn't occurred to me after one week. Seems like the issue is due to the DP cable.
 

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